.work_main {
    width: 1334px;
    height: 947px;
    margin: 0 auto;
    position: relative;
}

.img_bg {
    position: absolute;
    top: 0;
    /*left: 50%;*/
    width: 100%;
    /*margin-left: -960px;*/
    height: 100%;
}

.work_main_1, .work_main_2 {
    width: 667px;
    height: 947px;
}

.work_main_1 {
    float: left;
}

.work_main_2 {
    float: right;
    background-color: rgba(17, 17, 17, 0.7);
    position: relative;
}

.work_main_1_company {
    height: 695px;
    background-color: rgba(34, 34, 34, 0.7);
    padding-top: 154px;
}

.work_main_1_company div {
    width: 378px;
    height: 108px;
    margin: 0 auto;
}

.work_main_1_company1 {
    background: url("../imgs/work/1.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company1:hover {
    background: url("../imgs/work/1-2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company1_click {
    background: url("../imgs/work/1-2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company2 {
    background: url("../imgs/work/2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company2_click {
    background: url("../imgs/work/2-2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company2:hover {
    background: url("../imgs/work/2-2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company3 {
    background: url("../imgs/work/3.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company3_click {
    background: url("../imgs/work/3-2.png") no-repeat 0;
    background-size: 100%;
}

.work_main_1_company3:hover {
    background: url("../imgs/work/3-2.png") no-repeat 0;
    background-size: 100%;
}